diff -r 000000000000 -r c8caa15ef882 simpleengine/engine/inc/simpleclient.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/simpleengine/engine/inc/simpleclient.h	Tue Feb 02 01:05:17 2010 +0200
@@ -0,0 +1,186 @@
+/*
+* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:    SIMPLE Engine client base class
+*
+*/
+
+
+
+
+#ifndef simpleclient_H
+#define simpleclient_H
+
+#include <e32std.h>
+#include "simplecommon.h"
+#include "msimpleconnection.h"
+#include "msimpleowncallback.h"
+#include "msimpleenginerequest.h"
+
+// FORWARD DECLARATION
+class CSimpleEngineRequest;
+class MSimpleWatcherObserver;
+class MSimpleConnectionObserver;
+
+/**
+ *  CSimpleClient
+ *
+ *  SIMPLE Engine client base class.
+ *
+ *  @lib simpleengine
+ *  @since S60 v3.2
+ */
+
+class CSimpleClient : public CBase, public MSimpleOwnCallback
+    {
+
+public:
+
+    /**
+     * Destructor.
+     */
+    virtual ~CSimpleClient();
+
+
+// from base class MSimpleOwnCallback
+
+
+    /**
+     * Complete the open client request
+     * @since S60 3.2
+     * @param aOpId operation id
+     * @param aStatus result status
+     * @param aReq request
+     */
+    void virtual Complete( TInt aOpId, TInt aStatus, MSimpleEngineRequest& aReq ) = 0;
+
+protected:
+
+    void IncreaseOpId( );
+
+    /**
+     * Delete pending requests
+     */
+    void DeleteRequests();
+
+    /**
+     * Search a specifi request
+     * @param aOpID operation if to be matched
+     * @return request or NULL if a request not found
+     */
+    CSimpleEngineRequest* SearchRequests( TInt aOpId );
+
+    /**
+     * Two-phase constructor
+     */
+    void BaseConstructL( );
+
+    /**
+     * constructor
+     * @param aConn connection
+     */
+    CSimpleClient(
+        MSimpleConnection& aConn );
+
+    /**
+     * Send a request to engine DLL
+     * @param aReq request
+     */
+    void SendReqL( MSimpleEngineRequest& aReq );
+
+    /**
+     * Reason code converter
+     * @param aR request that contains a reason code from NOTIFY
+     * @return reason code
+     */
+    TInt ResponseReason(
+        MSimpleEngineRequest& aR );
+
+    /**
+     * SIP Status accessor
+     * Get the status of the last completed request.
+     * @return SIP status, 0 if not available
+     */
+    TUint DoSIPStatus( );
+
+    /**
+     * SIP retry-fater value accessor
+     * Get the status of the last completed request.
+     * @return SIP retry-after value, 0 if not available
+     */
+    TUint DoRetryAfter( );
+
+    /**
+     * SIP Status getter
+     * Get the SIP status of the specified request.
+     * @param aOpId operation id
+     */
+    void GetSIPStatus( TInt aOpId );
+
+protected: // data
+
+    /**
+     * SIMPLE engine connection
+     */
+    MSimpleConnection& iConn;
+
+    /**
+     * next operation id
+     */
+    TInt iOpId;
+
+    /**
+     * SIP status of last operation completed
+     */
+    TUint iSipStatus;
+    
+    /**
+     * SIP retry-after header
+     */
+    TInt iRetryAfterTime;    
+
+    /**
+     * Buffer for client requests
+     */
+    TDblQue<CSimpleEngineRequest> iRequestList;
+
+    /**
+     * Last request sent
+     */
+    MSimpleEngineRequest::TSimpleRequest iRequest;
+
+    /**
+     * Pointer to stack variable to detect the deletion of the heap
+     * instance. This case takes place if a client
+     * calls destructor in callback method.
+     * Own.
+     */
+    TBool*                  iDestroyedPtr;
+
+private:    // data
+
+    /**
+     * Lower limit of opid
+     */
+    TInt iLimitLowerValue;
+
+    /**
+     * Upper limit of opid
+     */
+    TInt iLimitUpperValue;
+
+    };
+
+#endif
+
+// End of File